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习题练习:HL Topic A2.1 Origin of cells

 作者: admin  发布日期: 2025-01-24 21:48    总分: 8分  得分: _____________

答题人: 游客未登录  开始时间: 25年01月24日 10:38  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  1. Why are fatty acids or phospholipids important in the formation of cells an8)iw6a p 0pwqxhw p3g/d their comp p)60pp/ whx8ag3q iwwonents?

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  2. What is the acronym of the organism from which Homo sapiens is believed to h 5t 1xaxu7 3vxpcw/gm;*2 mvgyave originally evolved?a/cvyp3*x; g1 w mvgu5t27x xm

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  3. Which of the following descriiwle6;u .r0 j71whe wtbes the conditions on early, pre-biotic Earth?


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4#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
4. Viruses are said to be non-living.Listh(rm y.3p /mct two reasons that viruses cannot be considered as lh(/mr3 .p myctiving organisms.
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5#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
5. Explain why RNA, rather than DNA, likely to be ;ukod4ly8- f)x xkwh9kr:l*jthe first genetic material in livin-kl;w kry lo) u:*hxx9fdkj48g organisms.
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6#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
6. The Miller-Urey experiment produced organic moleco (pwdfl(w-3 vules in an atmosphere that, in 1952, was thought to have been like the atmosphere on earth prior to the evolution of life. In which way was the experiment’s model atmosphere different from today’s scientific understanding of the atmosphere at the origin of life ovw dp3(w flo-(n earth?
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7#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
7. Explain why the conditions on Earth today make the spon6 v-n(4f+hye+ca inm th(o ga7taneous formation of organic carbon compounds less likely compared to the conditions on Earth at the time of the origin of li4+tn (yfma+oe nhha-7g(i6 vc fe.
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8#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
8. List the essential features that the first cells o53g*fjiqq 33zg b-kzmust have possessed to be able to live and evolve into the life forms thatzj*z-gi3 3bf3k5o qgq followed.
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